F48.1 Depersonalization-derealization syndrome

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 153 — Personality Disorders; Anorexia/Bulimia Nervosa
• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders
• ESRD V24: HCC 60

MS-DRG index

Defines the logic of DRG(s) 882 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 300.6 Depersonalization disorder

Code annotations containing back-references to F48.1

Back-references to F48

• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("nonpsychotic mental disorders (F40-F48)")

Diagnosis Index entries for F48.1

• Depersonalization (in neurotic state) (neurotic) (syndrome)
• Derealization (neurotic)
• Disorder (of) › depersonalization
• Episode › depersonalization (in neurotic state)
• Neurosis, neurotic › depersonalization
• Neurosis, neurotic › state › with depersonalization episode
• Psychoneurosis, psychoneurotic › depersonalization
• Reaction › psychoneurotic › depersonalization
• State (of) › neurotic › with depersonalization
• Syndrome › depersonalization (-derealization)

Nearby codes

• F48 Other nonpsychotic mental disorders
• F48.1 Depersonalization-derealization syndrome (this code)
• F48.2 Pseudobulbar affect
• F48.8 Other specified nonpsychotic mental disorders
• F48.9 Nonpsychotic mental disorder, unspecified